package com.example.study.service;

import com.example.study.pojo.User;

import java.util.List;

/**
 * @Author 宋伟宁
 * @Date 2023/10/8
 * @Version 1.0
 **/
public interface IUserService {

     List<User> findAll();

     boolean del(int uid);

     boolean save(User user);

     User findById(int uid);
}
